@echo off
setlocal EnableDelayedExpansion

(
  @echo ===  Inf:OS  ===
  wmic OS Get Name, ServicePackMajorVersion
  @echo =================================&@echo.

  @echo ===  Inf:CU  ===
  for /f "tokens=2 delims==" %%a in ('wmic Path Win32_PerfFormattedData_PerfOS_Processor Get PercentProcessorTime /value ^| findstr "PercentProcessorTime"') do (set UseCPU=%%a)
  @echo CPU使用率：!UseCPU!%%
  @echo =================================&@echo.

  @echo ===  Inf:MU  ===
  wmic OS Get TotalVirtualMemorySize, FreeVirtualMemory, SizeStoredInPagingFiles, TotalVisibleMemorySize, FreePhysicalMemory
  @echo =================================&@echo.

  @echo ===  Inf:DU  ===
  wmic LogicalDisk Where DriveType=3 Get Caption, VolumeName, Size, FreeSpace
  @echo =================================&@echo.

) > a.txt

(
  @echo ===  Inf:RT  ===
  @echo 结束时间 : 20%DATE:~2,2%.%DATE:~5,2%.%DATE:~8,2% %hour: =0%:%TIME:~3,5%
  @echo =================================
) >> a.txt
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